| Cisterniga to Orbetello | 816.61 mi (1,314.21 km) |
| Cisterniga to Oria | 1,161.99 mi (1,870.03 km) |
| Cisterniga to Oristano | 703.97 mi (1,132.94 km) |
| Cisterniga to Orta Nova | 1,053.53 mi (1,695.49 km) |
| Cisterniga to Orte | 876.37 mi (1,410.39 km) |
| Cisterniga to Ortona | 979.36 mi (1,576.13 km) |
| Cisterniga to Orvieto | 861.94 mi (1,387.17 km) |
| Cisterniga to Orzinuovi | 776.35 mi (1,249.42 km) |
| Cisterniga to Osimo | 931.73 mi (1,499.47 km) |
| Cisterniga to Ospitaletto | 785.65 mi (1,264.37 km) |
| Cisterniga to Ostuni | 1,156.40 mi (1,861.05 km) |
| Cisterniga to Ottaviano | 994.96 mi (1,601.24 km) |
| Cisterniga to Ovada | 702.91 mi (1,131.23 km) |
| Cisterniga to Ozieri | 715.40 mi (1,151.32 km) |
| Cisterniga to Paceco | 946.79 mi (1,523.72 km) |
